Copper Pinch Off Adapter Gasket for 1.33 in. CF Conflat Flange, Tube 3/8 in. OD, 6 inch long. This is a copper pinch off adapter gasket 6 in. long for 1.33 in. CF Conflat Flange. This tube when pinched off seals the vacuum pressure inside the chamber, vacuum pump or vacuum vessel. Can be used for Ion Pumps or other 1.33 CF Conflat flange vessels. Pinch Off Tool also sold on this website. (See graphics above)

Copper Pinch Off Adapter Gasket for 2.75 in. CF Conflat Flange, Tube 3/8 in. OD, 6 inch long. This is a copper pinch off adapter gasket 6 in. long for 2.75 in. CF Conflat Flange. This tube when pinched off seals the vacuum pressure inside the chamber, vacuum pump or vacuum vessel. Can be used for Ion Pumps or other 2.75 CF Conflat flange vessels. Pinch Off Tool also sold on this website. (See graphics above)

Manual Cold Weld Pinch Off Device Tool. Pinches Off up to 3/8 in. OD Tubing. TOOL ONLY. This tool is use for pinching off tubing producing a hermetica lly perfect cold -weld of tube walls; ends are neat and clean. The most common application is pinching off vacuum exhaust tubing of fully annealed OFHC copper. (See graphics above) Other soft metals such as fully annealed aluminum, .070 in. OD X .010 in. wall Kovar, annealed nickel, thin wall 52 alloy and platinum, can be pinched off. Jaws are hardened, ground, high speed tool steel (Rockwell C60 to 65). For pinching tubes up to 3/8 in. OD and inner wall thickness of .049 in. See AVAILABLE DOWNLOADS below for POD-375 Pinch-Off Tool Operating Instructions.